title: Iliopsoas bursitis in rheumatoid arthritis: an unusual cause of leg oedema.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000150:complications*; D002062:Bursitis / Q000150:complications* / Q000000981:diagnostic imaging; D004487:Edema / Q000209:etiology*; D005260:Female; D006119:Groin; D006801:Humans; D007866:Leg; D008875:Middle Aged; D011859:Radiography